1
David S H Rosenthal, Robert Rocchetti, Curtis Priem, Chris Malachowsky: Method and apparatus for the context switching of devices. Sun Microsystems, Blakely Sokoloff Taylor & Zafman, June 30, 1992: US05127098 (106 worldwide citation)

The system of the present invention provides for the context switching of devices connected through the system's memory management unit and is particularly useful in a multi-tasking computer system in which multiple processes access the same device. In the method and apparatus of the present inventi ...


2
Bruce McIntyre, Curtis Priem, Robert Rocchetti: Method and apparatus for providing shared off-screen memory. Sun Microsystems, Blakely Sokoloff Taylot & Zafman, September 14, 1993: US05245702 (49 worldwide citation)

A method for allowing direct graphics access to backup storage areas in frame buffer memory used for retained windows and controlled by a graphics accelerator which includes the steps of establishing a shared memory file in system memory for the backup storage area indicating that the retained windo ...


3
Curtis Priem, Chris Malachowsky, Robert Rocchetti, David Rosenthal: Predictive caching method and apparatus for generating a predicted address for a frame buffer. Sun Microsystems, Blakely Sokoloff Taylor & Zafman, February 15, 1994: US05287487 (24 worldwide citation)

A predictive caching system for use in computer system having at least one portion of memory in which information is stored for retrieval, a general cache used to speed the operation of accessing such memory, and a processor for controlling the access of the memory comprising apparatus for discernin ...


4
Curtis Priem, Chris Malachowsky, Robert Rocchetti: Apparatus and methods for interface register handshake for controlling devices. Sun Microsystems, Blakely Sokoloff Taylor & Zafman, July 7, 1992: US05129065 (10 worldwide citation)

A method of initiating a write operation for a particular command from a first computer module through a system interface to a second computer module having data registers, and a status register which includes the steps of writing data to the data registers in the second computer module, and determi ...


5
Bruce McIntyre, Curtis Priem, Robert Rocchetti: Method and apparatus for allocating off-screen display memory. Sun Microsystems, Blakely Sokoloff Taylor & Zafman, March 1, 1994: US05291188 (8 worldwide citation)

A method of allocating space in a frame buffer memory which is not used for storing pixels to be displayed currently including the steps of selecting a portion of the memory to be allocated for off-screen memory; determining the size of an area to be allocated; comparing the size of the area to be a ...


6
Robert Rocchetti, Nola Donato: Method for manipulation rectilinearly defined segmnts to form image shapes. Blakely Sokoloff Taylor & Zafman, November 9, 1993: US05261032 (6 worldwide citation)

A method for manipulating graphic images using a computer system in which each graphic image is broken into a series of rectangles and the individual rectangles of one graphic image are combined with the individual rectangles of another graphic image to form a shape data structure which may be store ...